25711220

素因数分解:

$2^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{1613}}^1$

素因数の和:2419

約数の個数: 24

約数和(自身を含む): 54094824

約数和(自身を除く): 28383604

約数列:

[1, 2, 4, 5, 10, 20, 797, 1594, 1613, 3188, 3226, 3985, 6452, 7970, 8065, 15940, 16130, 32260, 1285561, 2571122, 5142244, 6427805, 12855610, 25711220]

約数ペア:

[(1, 25711220), (2, 12855610), (4, 6427805), (5, 5142244), (10, 2571122), (20, 1285561), (797, 32260), (1594, 16130), (1613, 15940), (3188, 8065), (3226, 7970), (3985, 6452)]